Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11370307 | Method and apparatus for controlling an electric motor | Richard Hellinga, Jason Cornelius Wiseman, Chris Pearce | 2022-06-28 |
| 11374510 | Method and apparatus for controlling an electric motor | Richard Hellinga, Jason Cornelius Wiseman, Chris Pearce | 2022-06-28 |
| 11228260 | Method and apparatus for control of switched reluctance motors | David Hodgson | 2022-01-18 |
| 11059372 | Traction control method and apparatus | David Hodgson | 2021-07-13 |
| 10333437 | Motor control apparatus and method | Peter Barrass, David Hodgson | 2019-06-25 |
| 9793834 | Motor control apparatus and method | Peter Barrass, David Hodgson | 2017-10-17 |
| 9654032 | Electric motor and motor controller | Peter Barrass, Gary Squire, Robert N. Taylor, David Hodgson, Philip Eagleton | 2017-05-16 |
| 6979974 | Rotor position determination in a switched reluctance machine | James Douglas Alexander Chambers | 2005-12-27 |
| 6853163 | Rotor position detection of a switched reluctance drive | — | 2005-02-08 |
| 6608462 | Method and system for determining rotor position in a switched reluctance machine | Rosemary Anne Norman | 2003-08-19 |
| 6313597 | Cleaning apparatus and method with soft-starting | Patricia Elliott | 2001-11-06 |
| 6297613 | Control of line harmonics | Patricia Elliott | 2001-10-02 |